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Kitchen Cabinets & Drawers

Cabinet Shelf Fit Calculator

Retailers sell divider sizes; nobody checks them against your cabinet. This tool takes the interior dimensions, removes the depth your door swing needs, and works out the divider grid: columns, rows, cells, and the exact cut/buy sizes for dividers and shelf boards.

Use the Cabinet Shelf Fit Calculator

Built-in module

Drawer Divider Size Calculator — the grid spec above doubles as the divider shopping/cutting list.

How it works

Usable depth is the cabinet depth minus door clearance — nothing stored may project past it or the door will not close. Columns are the interior width divided by your target cell width; rows are the height divided by the item height you store most.

How to use it

  1. Measure inside the cabinet, not the door opening.
  2. Measure how far the door and hinges intrude when closed — that is the clearance.
  3. Enter the width of cell you want (a mug, a spice row, a pan stack) and the tallest item height.
  4. Cut or buy dividers to the printed spec.

Frequently asked questions

Why does the tool subtract door clearance from depth only?

Width and height are set by the cabinet carcass; depth is the dimension the door, hinges and any internal drawers steal from. A bin that fits the carcass but projects 3 cm will stop the door closing.

What cell width should I choose?

Measure the thing the cell must hold and add 1 cm. Spice jars: about 8 cm. Mugs: 10–12 cm. Dinner plates on edge: 5 cm per slot row is too tight — plates need a rack, not a grid.

My cabinet has a centre post. How do I handle it?

Run the tool once per side, using each side's own width. Treat the post as a wall — grids that ignore it are the ones that arrive wrong.

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